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Finding the Fourth Proportional to 63,311.88, 87,364.52 and 35,016.96

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Solution

The fourth proportional to 63,311.88, 87,364.52 and 35,016.96 is: 48,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,311.88 : 87,364.52 = 35,016.96 : x
  2. Step 2: Convert to fraction form
    63,311.88/87,364.52 = 35,016.96/x
  3. Step 3: Cross multiply
    63,311.88x = 87,364.52 × 35,016.96
  4. Step 4: Simplify right side
    63,311.88x = 3,059,239,989.80
  5. Step 5: Solve for x
    x = 3,059,239,989.80/63,311.88
  6. Step 6: Final answer
    x = 48,320.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.